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2004 Hyundai Elantra O2 Sensor

Tiny
ABINDER
  • MEMBER
  • 2004 HYUNDAI ELANTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 87,000 MILES
I need to replace my o2 sensor. Looking at the front sensor I can clearly see there are 5 wires coming out of it. However, when I search various auto parts websites, most are selling o2 sensors with 4 wires and yet they claim that these are the correct items for my vehicle. Could these 4 wire sensors work and what is the difference? I have found some that sell 5 wire sensors but they are considerably more expensive. Is the difference worth it? I live and drive in AZ if that makes a difference. Thank you
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Monday, February 1st, 2010 AT 7:32 PM

7 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
Your car is probably the SULEV type they use a leniar O2 where others use heated 4 wire. You should check with dealer Federal Law states Mnaufacture must repair any polution devise for 10 yrs. 100K miles.
Hope this helps
Thanks for donate
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Tuesday, February 2nd, 2010 AT 10:14 AM
Tiny
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  • MEMBER
  • 3 POSTS
Thanks, but actually the engine is not the SULEV type but a 2.0 L DOHC 16-Valve CVVT engine. In this case, would a 4 wire o2 sensor work?
I did speak to the dealer, but they said it was not covered.
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Wednesday, February 3rd, 2010 AT 7:57 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
On that engine my info shows both front and rear O2 are four wire. Should be a black-Green-White_Pink wire
What colors are yours?
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Thursday, February 4th, 2010 AT 11:38 AM
Tiny
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  • MEMBER
  • 3 POSTS
The colors are White, Black, yellow, Gray, and Blue. I attached a picture if that helps. Thanks


https://www.2carpros.com/forum/automotive_pictures/474148_P1010245_1.jpg

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Thursday, February 4th, 2010 AT 5:40 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Follow harness to connector what is wire color after connector?
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Friday, February 5th, 2010 AT 2:17 PM
Tiny
04ELEANTRA
  • MEMBER
  • 1 POST
Many people are fooled by the 10/100 myth. Here's the real info:

The Performance Warranty covers repairs which are required during
the first 2 years or 24,000 miles of vehicle use because the vehicle
failed an emission test. Specified major emission control components
are covered for the first 8 years or 80,000 miles.
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Saturday, July 23rd, 2011 AT 11:11 PM
Tiny
2005ELANTRA
  • MEMBER
  • 1 POST
Hello, this is old but I am in the same position except I already took out my old sensor which I will likely regret. The colors on the other side are two whites, light green, pink, brown, and yellow.

Thanks in advance
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Tuesday, November 17th, 2015 AT 8:33 AM

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